Finding the Fourth Proportional to 7,136,715.34, 9,848,677.98 and 3,873,531.28
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Solution
The fourth proportional to 7,136,715.34, 9,848,677.98 and 3,873,531.28 is: 5,345,479.03
Step by Step Solution
- Step 1: Write the proportion equation
7,136,715.34 : 9,848,677.98 = 3,873,531.28 : x - Step 2: Convert to fraction form
7,136,715.34/9,848,677.98 = 3,873,531.28/x - Step 3: Cross multiply
7,136,715.34x = 9,848,677.98 × 3,873,531.28 - Step 4: Simplify right side
7,136,715.34x = 38,149,162,222,177.21 - Step 5: Solve for x
x = 38,149,162,222,177.21/7,136,715.34 - Step 6: Final answer
x = 5,345,479.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.